PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91440-1Filter Element,fluid

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4330-00-871-2397 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-871-2397 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-871-2397. Primary manufacturer part number: 91440-1.
Features
  • Filter Element,fluid — FSC 4330
  • Style Designator: CYLINDRICAL W/OUT CONTAINER
  • Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE
  • Material: COPPER ALLOY FILTERING MEDIUM
  • Flow Direction: INSIDE OUT
  • Filtration Rating in Microns: 25.0 ABSOLUTE AND 12.0 NOMINAL
  • Temp Rating: -60.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
  • Design Type: LIMITED
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Copper Alloy Filtering Medium construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-871-2397, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-00-871-2397
Primary Part Number91440-1
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Style DesignatorCYLINDRICAL W/OUT CONTAINER
Filtering Media DesignSINTERED SINGLE FILTERING MEDIA RESPONSE
MaterialCOPPER ALLOY FILTERING MEDIUM
Flow DirectionINSIDE OUT
Filtration Rating in Microns25.0 ABSOLUTE AND 12.0 NOMINAL
Temp Rating-60.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF
Design TypeLIMITED
Media for Which DesignedFUEL/OIL, HYDROCARBON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-149-9852 INTERCHANGEABLE
Screw,machine
3110-00-156-50782207ETN9 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5360-00-216-9337D15-453 PC110 INTERCHANGEABLE
Spring,flat
Arrow Mcbride
3110-00-227-22112207U INTERCHANGEABLE
Bearing Replacement
Rexnord Industries, Llc Div Aerosspace Bearing Operation
6810-00-234-8368 INTERCHANGEABLE
Sodium Bismuthate
4920-00-708-30412207 INTERCHANGEABLE
Cone,rear
Marvel Manufacturing Co Div the Marvel Manufacturing Company
6115-00-990-9833 INTERCHANGEABLE
Generator Set,diesel Engine
2510-01-179-6354 INTERCHANGEABLE
Plate,bolt
5340-01-210-0840914401 INTERCHANGEABLE
Bracket,angle
Raytheon Company Dba Raytheon Co
5950-01-215-7876 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
91440-1 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2207 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5305-00-149-9852INTERCHANGEABLE
SCREW,MACHINE
3110-00-156-5078INTERCHANGEABLE
BEARING,BALL,ANNULAR
2207ETN9
5360-00-216-9337INTERCHANGEABLE
SPRING,FLAT
D15-453 PC110
3110-00-227-2211INTERCHANGEABLE
BEARING REPLACEMENT
2207U
6810-00-234-8368INTERCHANGEABLE
SODIUM BISMUTHATE
4920-00-708-3041INTERCHANGEABLE
CONE,REAR
2207
6115-00-990-9833INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
2510-01-179-6354INTERCHANGEABLE
PLATE,BOLT
5340-01-210-0840INTERCHANGEABLE
BRACKET,ANGLE
914401
5950-01-215-7876INTERCHANGEABLE
TRANSFORMER,POWER
4730-01-366-7039INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
2207
5120-01-367-3507INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
TMA4.5E

Frequently Asked Questions

What is NSN 4330-00-871-2397?

NSN 4330-00-871-2397 is a Filter Element,fluid, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-871-2397?

NSN 4330-00-871-2397 has 2 cross-referenced part numbers: 91440-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2207 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4330-00-871-2397?

There are 12 known substitutes for 4330-00-871-2397: 5305-00-149-9852, 3110-00-156-5078, 5360-00-216-9337 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91440-1?

Key specifications for 91440-1: Style Designator: CYLINDRICAL W/OUT CONTAINER; Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE; Material: COPPER ALLOY FILTERING MEDIUM; Flow Direction: INSIDE OUT. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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